engine emissions diluter Articles

  • Effects of a zeolite SCR system on comprehensive emissions from a heavy-duty diesel engine

    The effects of a zeolite urea-selective catalytic reduction (SCR) aftertreatment system on a comprehensive spectrum of chemical species from diesel engine emissions were investigated in this study. Representative samples were collected with a newly developed source dilution sampling system after an aging process designed to simulate atmospheric dilution and cooling conditions. Samples were ...

  • In-situ continuous emissions monitoring & regulatory compliance

    As environmental scrutiny has risen and regulation has tightened in recent years, the importance of having accurate information on the environmental performance of your power plant has increased. After all, if you want to manage something, you need to be able to measure it. The analogy is obvious; you wouldn't start a diet without first investing in a set of scales. So it is with Continuous ...

  • Shipping Emissions - The Environmental Case for Sea Water Scrubbing

    The romantic image of a luxury liner cruising blue seas amid blue skies and trailing a plume of smoke is too close to the truth for comfort. The emissions from shipping make an increasingly conspicuous contribution to air quality, health and environmental problems of Europe, and indeed, the world. Yet an effective and safe technology to dramatically reduce these emissions is being discouraged, ...


  • JCB: Advanced diesel engine development - Case Study

    JCB Power Systems is a global leader in construction and agricultural machinery and the largest company in the UK, where they are headquartered. In 2009, JCB implemented plans to build a world class advanced research and development center, near Derby in the UK, for low emissions diesel engines up to 300kW, with fast transient measurement capability plus the latest cycle emissions ...


    By Sierra Instruments, Inc.

  • Soot level – a diesel engine lube oil condemning limit

    While there is widespread disagreement on used-diesel oil condemning limits, it is well known that excessive soot in the lube oil causes abnormal valve and injection-train wear.  It can also increase exhaust emissions and clog filters.  Typically, the suggested limit for soot is in the neighborhood of 3% but can go much higher.  With the new ASTM Method D7686, truck, bus, ...


    By Spectro Scientific

  • Automotive: At Sandvik Coromant, Clean Air Group Scrubber Handle Emissions Emergencies case study

    Mr. Tahvanainen heads up a staff of eight maintenance personnel and a supervisor. He is a mechanical engineer with a background in power production and thermodynamics. Editorial Background: Sandvik Coromant of Fair Lawn, NJ is part of Sandvik’s tooling division. The overall Sandvik Corporation employs 35,000 in one hundred and thirty (130) countries. ...


    By CR Clean Air Group, LLC

  • Portable IR Analyzer Provides ASTM Field Test Method for Measuring Soot Levels In Diesel Engine Lubricating Oils

    The InfraCal Soot Meter, from Wilks Enterprise, gives users an approved ASTM testing method for measuring the percent level of soot in diesel engine lubricating oils -- ASTM Method D7686-2011 entitled “Test Method for Field-Based Condition Monitoring of Soot in In-Service Lubricants Using a Fixed-Filter Infrared (IR) instrument.” While there is widespread disagreement on used-diesel ...


    By Spectro Scientific

  • NOx in Non-Utility Industries - Part I NOx in Non-Utility Industries - Part I - Air emission origins, best control solutions and monitoring methodology for nitrogen oxides

     Problems with reducing nitrogen oxides (NOx) are widespread in the general process industries. These industries, together with medium size utility and power generators contribute about 15 percent of global NOx emissions. The emission sources addressed include various heaters employed in chemical and petrochemical plants, nitric and sulfuric acid plants, glass furnaces, iron and steel mills, ...


  • Breakthroughs in testing technology as new global player emerges

    Engineers and developers now have a choice of engine testing technologies following the recognition by the United States Federal Register of the BG3 Partial Flow Dilution sampling (PFD) technology developed by Sierra Instruments for engine particulate emissions, R&D and certification. Building on this news, the Monterey, California - based company has also extended its global footprint this ...


    By Sierra Instruments, Inc.

  • Particle Measurement Programme (PMP) Light-duty Inter-laboratory Correlation Exercise (ILCE_LD) Final Report

    The Light Duty Inter-Laboratory Correlation Exercise has conducted testing at 9 test laboratories in the EU, Korea and Japan in order to demonstrate the practicality, robustness, repeatability and reproducibility of the particle emissions measurement techniques proposed by the Particle Measurement Programme (PMP). The exercise involved testing 16 light duty vehicles including 6 diesels equipped ...


  • Low-mass PM analyzer MEXA-1370PM — Improvement of the Performance for PM Composition Analysis —

    Particulate matter (PM) emitted from engines is currently measured by the filter weight method. The filter weight method passes diluted emission gases through a filter collecting the PM, and post test weighs the mass of the collected PM on a precision balance. However, this method is time consuming, and with decreasing PM emission volumes, improvements in accuracy were needed. So the MEXA-1370PM ...


    By HORIBA Europe GmbH

  • Case study: MDI production plant

    Overview A major chemical manufacturer required a pollution control system to destroy 99.9% of the halogenated volatile organic compounds (VOCs) and hazardous air pollutants (HAPs) emitted during the MDI manufacturing process. MDI is a chemical commodity used as a lightweight insulating material for ice chests and coolers as well as for sound and collision insulation in automobile ...

  • Advanced SNCR - NOx Reduction on Large Utility Boilers

    Fuel Tech has recently completed full-scale demonstrations of Advanced Selective NonCatalytic Reduction systems on a number of large utility boilers (>600MW) firing a variety of fuel types. The systems use the latest flexible injection technology and are controlled with a balanced algorithm utilizing unit load, a full grid of continuous furnace temperatures and the plant continuous emissions ...


    By Fuel Tech, Inc.

  • Sonic nozzles for gas calibrators, when simplicity provides accuracy!

    Gas analyser’s calibration is a task required in many applications according to either legislation or quality systems management. This is the case for Air Pollution Monitoring or Continuous Emissions Monitoring devices installed in cabinets, for continuous analysis in remote locations. Measurements in traces range are performed and analytical devices specifications need to be validated and ...


    By LNI Swissgas

  • Experimental Assessment of Particulate Measurement Instrumentation

     Introduction The European Commission has funded a project called 'Experimental assessment of particulate measurement instrumentation'. The project was undertaken by AEA Technology in the United Kingdom. The work comprised two phases: Phase 1: Literature review to help formulate the recommendations for measuring techniques to be investigated in Phase 2. ...

  • Green and growth, can we have both? Lessons from the transport sector

    Sometimes it is assumed that sustainability comes with a cost. However, the UK car manufacturing sector seems to have proved that this is not the case. Could this success be replicated in other sectors? Marc Height reports. The car manufacturing sector in the UK has been an underreported success story, both in terms of its economic achievements, and in its embrace of lower carbon technologies ...


    By Energy Institute (EI)

  • Biocycle world

    RECYCLING COALITION CALLS FOR MORATORIUM ON PLA BOTTLESA coalition of recycling organizations challenged NatureWorks' plans to push use of its biobased plastic, polylactic acid (PLA) in bottles. It called on the company to agree to a moratorium on any further expansion until the bioresin's recyclability has been demonstrated. A subsidiary of Cargill, NatureWorks has commercialized the ...


    By BioCycle Magazine

  • Welcome to Net-Zero

    For most people (and for most homes) the likelihood of going through a whole year spending next to nothing on energy is a goal that seems far out of reach. In fact, it is only relatively recently that insulation technologies, coupled with cutting-edge renewable energy tools, have made the concept of a net-zero energy use home anything more than a pipe dream. However, thanks to a program at the ...


    By ASTM International

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